Samuel Huang | 06f1ae9 | 2018-03-13 18:19:34 +0000 | [diff] [blame] | 1 | // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "components/zucchini/targets_affinity.h" |
| 6 | |
| 7 | #include <stddef.h> |
| 8 | #include <stdint.h> |
| 9 | |
| 10 | #include <vector> |
| 11 | |
| 12 | #include "components/zucchini/equivalence_map.h" |
| 13 | #include "components/zucchini/image_utils.h" |
| 14 | #include "testing/gtest/include/gtest/gtest.h" |
| 15 | |
| 16 | namespace zucchini { |
| 17 | |
| 18 | TEST(TargetsAffinityTest, AffinityBetween) { |
| 19 | using AffinityVector = std::vector<std::vector<double>>; |
| 20 | |
| 21 | // A common TargetsAffinity is used across independent tests. This is to |
| 22 | // reflect actual usage, in which common TargetsAffinity is used so that |
| 23 | // internal buffers get reused. |
| 24 | TargetsAffinity targets_affinity; |
| 25 | |
| 26 | auto test_affinity = [&targets_affinity]( |
| 27 | const EquivalenceMap& equivalence_map, |
Etienne Pierre-doray | aff4086 | 2021-09-14 17:31:51 +0000 | [diff] [blame] | 28 | const std::deque<offset_t>& old_targets, |
| 29 | const std::deque<offset_t>& new_targets) { |
Samuel Huang | 06f1ae9 | 2018-03-13 18:19:34 +0000 | [diff] [blame] | 30 | targets_affinity.InferFromSimilarities(equivalence_map, old_targets, |
| 31 | new_targets); |
| 32 | AffinityVector affinities(old_targets.size()); |
| 33 | for (key_t i = 0; i < old_targets.size(); ++i) { |
| 34 | for (key_t j = 0; j < new_targets.size(); ++j) { |
| 35 | affinities[i].push_back(targets_affinity.AffinityBetween(i, j)); |
| 36 | } |
| 37 | } |
| 38 | return affinities; |
| 39 | }; |
| 40 | |
| 41 | EXPECT_EQ(AffinityVector({}), test_affinity(EquivalenceMap(), {}, {})); |
| 42 | EXPECT_EQ(AffinityVector({}), |
| 43 | test_affinity(EquivalenceMap({{{0, 0, 8}, 1.0}}), {}, {})); |
| 44 | |
| 45 | EXPECT_EQ(AffinityVector({{0.0, 0.0}, {0.0, 0.0}}), |
| 46 | test_affinity(EquivalenceMap(), {0, 10}, {0, 5})); |
| 47 | |
| 48 | EXPECT_EQ(AffinityVector({{1.0, -1.0}, {-1.0, 0.0}}), |
| 49 | test_affinity(EquivalenceMap({{{0, 0, 1}, 1.0}}), {0, 10}, {0, 5})); |
| 50 | |
| 51 | EXPECT_EQ(AffinityVector({{1.0, -1.0}, {-1.0, 0.0}}), |
| 52 | test_affinity(EquivalenceMap({{{0, 0, 2}, 1.0}}), {1, 10}, {1, 5})); |
| 53 | |
| 54 | EXPECT_EQ(AffinityVector({{0.0, 0.0}, {0.0, 0.0}}), |
| 55 | test_affinity(EquivalenceMap({{{0, 1, 2}, 1.0}}), {1, 10}, {1, 5})); |
| 56 | |
| 57 | EXPECT_EQ(AffinityVector({{1.0, -1.0}, {-1.0, 0.0}}), |
| 58 | test_affinity(EquivalenceMap({{{0, 1, 2}, 1.0}}), {0, 10}, {1, 5})); |
| 59 | |
| 60 | EXPECT_EQ(AffinityVector({{2.0, -2.0}, {-2.0, 0.0}}), |
| 61 | test_affinity(EquivalenceMap({{{0, 0, 1}, 2.0}}), {0, 10}, {0, 5})); |
| 62 | |
| 63 | EXPECT_EQ( |
| 64 | AffinityVector({{1.0, -1.0}, {-1.0, 1.0}, {-1.0, -1.0}}), |
| 65 | test_affinity(EquivalenceMap({{{0, 0, 6}, 1.0}}), {0, 5, 10}, {0, 5})); |
| 66 | |
| 67 | EXPECT_EQ(AffinityVector({{-2.0, 2.0}, {1.0, -2.0}, {-1.0, -2.0}}), |
| 68 | test_affinity(EquivalenceMap({{{5, 0, 2}, 1.0}, {{0, 5, 2}, 2.0}}), |
| 69 | {0, 5, 10}, {0, 5})); |
| 70 | |
| 71 | EXPECT_EQ(AffinityVector({{-2.0, 2.0}, {0.0, -2.0}, {0.0, -2.0}}), |
| 72 | test_affinity(EquivalenceMap({{{0, 0, 2}, 1.0}, {{0, 5, 2}, 2.0}}), |
| 73 | {0, 5, 10}, {0, 5})); |
| 74 | } |
| 75 | |
| 76 | TEST(TargetsAffinityTest, AssignLabels) { |
| 77 | // A common TargetsAffinity is used across independent tests. This is to |
| 78 | // reflect actual usage, in which common TargetsAffinity is used so that |
| 79 | // internal buffers get reused. |
| 80 | TargetsAffinity targets_affinity; |
| 81 | |
| 82 | auto test_labels_assignment = |
| 83 | [&targets_affinity](const EquivalenceMap& equivalence_map, |
Etienne Pierre-doray | aff4086 | 2021-09-14 17:31:51 +0000 | [diff] [blame] | 84 | const std::deque<offset_t>& old_targets, |
| 85 | const std::deque<offset_t>& new_targets, |
Samuel Huang | 06f1ae9 | 2018-03-13 18:19:34 +0000 | [diff] [blame] | 86 | double min_affinity, |
| 87 | const std::vector<uint32_t>& expected_old_labels, |
| 88 | const std::vector<uint32_t>& expected_new_labels) { |
| 89 | targets_affinity.InferFromSimilarities(equivalence_map, old_targets, |
| 90 | new_targets); |
| 91 | std::vector<uint32_t> old_labels; |
| 92 | std::vector<uint32_t> new_labels; |
| 93 | size_t bound = targets_affinity.AssignLabels(min_affinity, &old_labels, |
| 94 | &new_labels); |
| 95 | EXPECT_EQ(expected_old_labels, old_labels); |
| 96 | EXPECT_EQ(expected_new_labels, new_labels); |
| 97 | return bound; |
| 98 | }; |
| 99 | |
| 100 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap(), {}, {}, 1.0, {}, {})); |
| 101 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap({{{0, 0, 8}, 1.0}}), {}, |
| 102 | {}, 1.0, {}, {})); |
| 103 | |
| 104 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap(), {0, 10}, {0, 5}, 1.0, |
| 105 | {0, 0}, {0, 0})); |
| 106 | |
| 107 | EXPECT_EQ(2U, test_labels_assignment(EquivalenceMap({{{0, 0, 1}, 1.0}}), |
| 108 | {0, 10}, {0, 5}, 1.0, {1, 0}, {1, 0})); |
| 109 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap({{{0, 0, 1}, 0.99}}), |
| 110 | {0, 10}, {0, 5}, 1.0, {0, 0}, {0, 0})); |
| 111 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap({{{0, 0, 1}, 1.0}}), |
| 112 | {0, 10}, {0, 5}, 1.01, {0, 0}, {0, 0})); |
| 113 | EXPECT_EQ(1U, test_labels_assignment(EquivalenceMap({{{0, 0, 1}, 1.0}}), |
| 114 | {0, 10}, {0, 5}, 15.0, {0, 0}, {0, 0})); |
| 115 | EXPECT_EQ(2U, test_labels_assignment(EquivalenceMap({{{0, 0, 1}, 15.0}}), |
| 116 | {0, 10}, {0, 5}, 15.0, {1, 0}, {1, 0})); |
| 117 | |
| 118 | EXPECT_EQ(2U, test_labels_assignment(EquivalenceMap({{{0, 1, 2}, 1.0}}), |
| 119 | {0, 10}, {1, 5}, 1.0, {1, 0}, {1, 0})); |
| 120 | EXPECT_EQ( |
| 121 | 3U, test_labels_assignment(EquivalenceMap({{{0, 0, 6}, 1.0}}), {0, 5, 10}, |
| 122 | {0, 5}, 1.0, {1, 2, 0}, {1, 2})); |
| 123 | EXPECT_EQ(3U, test_labels_assignment( |
| 124 | EquivalenceMap({{{5, 0, 2}, 1.0}, {{0, 5, 2}, 2.0}}), |
| 125 | {0, 5, 10}, {0, 5}, 1.0, {1, 2, 0}, {2, 1})); |
| 126 | EXPECT_EQ(2U, test_labels_assignment( |
| 127 | EquivalenceMap({{{0, 0, 2}, 1.0}, {{0, 5, 2}, 2.0}}), |
| 128 | {0, 5, 10}, {0, 5}, 1.0, {1, 0, 0}, {0, 1})); |
| 129 | } |
| 130 | |
| 131 | } // namespace zucchini |